NSK HR31306J Bearing

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NSK HR31306J Bearing Description

We supply various of NSK HR31306J bearings. bearings is purity material and high precision , the varieties of NSK bearings is up to thousands of species .NSK HR31306J bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NSK HR31306J bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NSK HR31306J bearings inquire deeply into the running of the machine and friction phenomenon .NSK HR31306J bearings is widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.The shipment of NSK HR31306J bearings will be arranged timely for we have a large stock of NSK HR31306J bearings in HongKong.

NSK HR31306J Bearing Specification

Bearing number : HR31306J

Size (mm) : 30x72x20.75

Brand : The brand you need

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 20,75

Bearing dimensions and specification in ALIER catalogue:

d – 30 mm

D – 72 mm

T – 20,75 mm

B – 19 mm

C – 14 mm

a – 23,1 mm

r min. – 1,5 mm

r1 min. – 1,5 mm

da min. – 44 mm

Da min – 55 mm

Da max. – 63 mm

db max. – 40 mm

Db min. – 68 mm

ra max. – 1,5 mm

rb max. – 1,5 mm

Weight – 0,393 Kg

Basic dynamic load rating (C) – 49 kN

Basic static load rating (C0) – 52,5 kN

(Grease) Lubrication Speed – 4800 r/min

(Oil) Lubrication Speed – 6800 r/min

Calculation factor (e) – 0,83

Calculation factor (Y0) – 0,4

Calculation factor (Y1) – 0,73

Tags :  ALIER , 30x72x20.75